Please solve this sum
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if X+y+z = 0 then
x^3 + y^3+ z^3= 3xyz
here X= a
y = 2b
z= c
then a^3 + (2b ) ^3 + c ^3 = 3 a(2b) c
a^3 + 8b^3 + c^3 = 6abc
x^3 + y^3+ z^3= 3xyz
here X= a
y = 2b
z= c
then a^3 + (2b ) ^3 + c ^3 = 3 a(2b) c
a^3 + 8b^3 + c^3 = 6abc
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